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Finding the Fourth Proportional to 55,991.52, 83,577.69 and 49,348.71

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Solution

The fourth proportional to 55,991.52, 83,577.69 and 49,348.71 is: 73,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,991.52 : 83,577.69 = 49,348.71 : x
  2. Step 2: Convert to fraction form
    55,991.52/83,577.69 = 49,348.71/x
  3. Step 3: Cross multiply
    55,991.52x = 83,577.69 × 49,348.71
  4. Step 4: Simplify right side
    55,991.52x = 4,124,451,186.28
  5. Step 5: Solve for x
    x = 4,124,451,186.28/55,991.52
  6. Step 6: Final answer
    x = 73,662.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.